〜かねない

Meaning

Indicates that a bad result is quite possible. Stated with caution that, if left alone, there is a risk of it turning out that way. Used only for undesirable matters.

Examples

そんな無理な働き方を続けては、体を壊しかねない。 If you keep working that hard, you could ruin your health.
確認を怠ると、大きな事故につながりかねない。 Neglecting to check could lead to a major accident.